Laser Triangulation


Static Laser Triangulation is Used as Measurement Method

The laser triangulation determines contact-free the distance of an object (2) in z-direction to a reference plane. Like a tactile probe, the laser distance sensor provides a mono-dimensional measured value.

  • The laser beam is focussed onto the work piece (2).
  • The laser light scatters at the target point.
  • A lens (3), which is placed in a defined angle in relation to the direction of the laser beam, images the scattered laser light onto the detector (4).
  • From the position of the light dot on the detector (P1’ or P2’), the distance in z-direction from the object (P1 or P2) can be calculated.